diff mbox series

[RFC,net-next,4/4] tcp: Enable 2nd listener hashtable in TCP

Message ID 20171120234722.3918304-5-kafai@fb.com
State RFC, archived
Delegated to: David Miller
Headers show
Series tcp: Add a 2nd listener hashtable (port+addr) | expand

Commit Message

Martin KaFai Lau Nov. 20, 2017, 11:47 p.m. UTC
Enable the second listener hashtable in TCP.
The scale is the same as UDP which is one slot per 2MB.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
---
 net/ipv4/tcp.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index bf97317e6c97..180311636023 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3577,6 +3577,9 @@  void __init tcp_init(void)
 	percpu_counter_init(&tcp_sockets_allocated, 0, GFP_KERNEL);
 	percpu_counter_init(&tcp_orphan_count, 0, GFP_KERNEL);
 	inet_hashinfo_init(&tcp_hashinfo);
+	inet_hashinfo2_init(&tcp_hashinfo, "tcp_listen_portaddr_hash",
+			    thash_entries, 21,  /* one slot per 2 MB*/
+			    0, 64 * 1024);
 	tcp_hashinfo.bind_bucket_cachep =
 		kmem_cache_create("tcp_bind_bucket",
 				  sizeof(struct inet_bind_bucket), 0,